/*
package cn.jdemo.jsystem.classloader;

import org.springframework.stereotype.Component;

*/
/**
 * 模拟一个简单的dao实现
 * @author rongdi
 * @date 2021-01-06
 *//*

@Component
public class TestDao {

    public String query(String msg) {
        return "msg:"+msg;
    }

}
*/
